Inventor

WATAKABE AKIO

JP2 patents

Patents

2 patents

US6583640B2Jun 24, 2003

Method and apparatus for evaluating insulating film

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations68

US6720790B2Apr 13, 2004

Method and apparatus for evaluating insulating film

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations57